E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/10 (2006.01) E21B 7/20 (2006.01) E21B 17/16 (2006.01) E21B 29/00 (2006.01) E21B 43/10 (2006.01)
Patent
CA 2353249
A centralizer for installing on a thick-wall metal pipe.
Bennett Jones Llp
Slack Maurice William
Tesco Corporation
LandOfFree
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